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教案备课库《物理试题11.3动能和势能（一）》真题及答案
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如图已知BE平分∠ABCDE∥BCAD=3DE=2AC=4则AE=．
OurEnglishteacherisverythin.对画线部分提问yourEnglishteacher?
—DoesJohnhavelonghairorshorthair?—.A.Yeshedoes B.Yeshehas C.Nohedoesn't D.Hehasshorthair
—Ninaalwaysfeelsbeforeanexam. —Let'sgoandcheerherup. A.excited B.nervous C.relaxed D.interested
ItissonoisyintheofficethatIcan'tsettletodoingmywork.
Isthatwomanyourfavoriteteacher?作否定回答 .
MybrotherhasjustboughtanewiPad.Buthedoesn'tknow. A.howtouseit B.howtouse C.whattouse D.whattouseit
—doyoushoponlineLinda? —Abouttwiceaweek. A.Howlong B.Howoften C.Howsoon D.Howmuch
Jim'smotherthinandshecurlyhair.A.is;has B.has;is C.is;is D.has;has
计算
Lindaandherfriendsoftengotothetowatchmovies.A.supermarket B.hotel C.restaurant D.cinema
—Isshetallshort?—Sheisn'ttallshort.A.and;or B.or;and C.and;and D.or;or
你哥哥是中等个儿吗Isyourbrother?
Hissisterslongbrownhair.
—I'venoideashewillcomebackfromLondon.—I'mafraidshewon'tbebackshefinisheshertask.A.if;after B.when;until C.how;once D.if;if
Mymotherisnottallorshort.同义句转换Mymotheris.
—Tinagotfirstplaceintheswimmingmatch. —Sheisnevergoodatswimming! A.Areyoujoking? B.It'sverynatural. C.I'msorrytohearthat. D.Idon'thopeso.
IshortcurlyhairandIofmediumheight.
Ratherthanrideonacrowdedbushepreferredridehisbike.
Thebasketballplayerofmediumheight.
Lindaisalittle 重的.
—Whatdidyourfatheraskyoujustnow? —Heaskedme. A.whendoIcomeback B.whomIwastalkingwith C.wherewouldIgowithmyfriend D.ifIwillfinishmyhomework
Shehas直的hair.
解分式方程
计算ab2·a-3=．结果用正整数指数幂表示
—WhydoyouthinkUncleSamiseasytogetalongwith? —BecauseheissokindandhelpfulthathealwayswhenIamsad. A.putsmeup B.looksmeup C.wakesmeup D.cheersmeup
Inordertoavoidhimintheparkshetookanotherwayhome. A.tomeet B.meeting C.tomeeting D.met
这个故事有点儿乏味.Thestoryisboring.
The 高的manisTom'sfather.
甲乙两人共同加工某种零件甲在加工过程中引进新技术提高了工作效率乙在加工过程中休息了一段时间休息前后工作效率保持不变甲乙两人各自加工零件的个数y个与加工时间x时之间的函数图象如图所示．1甲提高工作效率前每小时加工零件个乙每小时加工的零件个数为个．2求乙休息后加工零件的个数y与x之间的函数关系式．3直接写出乙车比甲车加工10个零件时x的值．
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